Englishfor English speakers
a
Determinative
—
A is used when the following word could be any of a certain type.
Compare "A book I saw on the shelf" and "The book I gave you yesterday".
a
Noun
—
A is the first letter of the alphabet.
The letter "a" comes before "b".
—
In some schools, an A is a very high grade.
Ron got an A on his earth science test.
wink
—
verb
signal by winking
She winked at him
—
verb
(= flash)
gleam or glow intermittently
The lights were flashing
—
verb
(= blink)
briefly shut the eyes
The TV announcer never seems to blink
—
noun
(= flash)
a very short time (as the time it takes the eye to blink or the heart to beat)
if I had the chance I'd do it in a flash
—
verb
(= blink, blink away)
force to go away by blinking
blink away tears
—
noun
closing one eye quickly as a signal
—
noun
(= blink)
a reflex that closes and opens the eyes rapidly